133 lines
13 KiB
XML
133 lines
13 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.363.6482" ID-GBIF-Dataset="36e5551d-3881-45a2-810a-386e517c86fc" ID-PMC="PMC3867181" ID-Pensoft-Pub="1313-2970-363-1" ID-PubMed="24363601" ID-ZBK="780695A9CB2E4FECA0560BA6F456185E" ModsDocAuthor="" ModsDocDate="2013" ModsDocID="1313-2970-363-1" ModsDocOrigin="ZooKeys 363" ModsDocTitle="A revision of the shore-fly genus Hydrochasma Hendel (Diptera, Ephydridae)" checkinTime="1451246560986" checkinUser="pensoft" docAuthor="Mathis, Wayne N. & Zatwarnicki, Tadeusz" docDate="2013" docId="AC79788177DD98B98D5BB96C1B871A5D" docLanguage="en" docName="ZooKeys 363: 1-161" docOrigin="ZooKeys 363" docSource="http://dx.doi.org/10.3897/zookeys.363.6482" docTitle="Discocerina ceraceps, comb. n." docType="treatment" docVersion="3" lastPageNumber="110" masterDocId="FFF2FFCA0333765855689824FFCDB839" masterDocTitle="A revision of the shore-fly genus Hydrochasma Hendel (Diptera, Ephydridae)" masterLastPageNumber="161" masterPageNumber="1" pageNumber="109" updateTime="1668157177207" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>A revision of the shore-fly genus Hydrochasma Hendel (Diptera, Ephydridae)</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Mathis, Wayne N.</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Zatwarnicki, Tadeusz</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2013</mods:date>
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<mods:detail type="volume">
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<mods:number>363</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>161</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.363.6482</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.363.6482</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-363-1</mods:identifier>
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<mods:identifier type="ZBK">780695A9CB2E4FECA0560BA6F456185E</mods:identifier>
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<mods:identifier type="ZooBank">780695A9CB2E4FECA0560BA6F456185E</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152050141" LSID="urn:lsid:plazi:treatment:AC79788177DD98B98D5BB96C1B871A5D" httpUri="http://treatment.plazi.org/id/AC79788177DD98B98D5BB96C1B871A5D" lastPageId="109" lastPageNumber="110" pageId="108" pageNumber="109">
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<subSubSection pageId="108" pageNumber="109" type="nomenclature">
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<paragraph pageId="108" pageNumber="109">
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<taxonomicName LSID="http://species-id.net/wiki/Discocerina_ceraceps" authority="Cresson" class="Insecta" family="Ephydridae" genus="Discocerina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Discocerina ceraceps" order="Diptera" pageId="108" pageNumber="109" phylum="Arthropoda" rank="species" species="ceraceps">Discocerina ceraceps (Cresson)</taxonomicName>
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<taxonomicNameLabel pageId="108" pageNumber="109">comb. n.</taxonomicNameLabel>
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Figs 200-203
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</paragraph>
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</subSubSection>
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<subSubSection pageId="108" pageNumber="109" type="reference_group">
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<paragraph pageId="108" pageNumber="109">
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<taxonomicName class="Insecta" family="Ephydridae" genus="Hecamedoides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hecamedoides ceraceps" order="Diptera" pageId="108" pageNumber="109" phylum="Arthropoda" rank="species" species="ceraceps">Hecamedoides ceraceps</taxonomicName>
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Cresson, 1938: 27 [
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<normalizedToken originalValue="“Brazil”">"Brazil"</normalizedToken>
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; HT ♂, ANSP (6534)].
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</paragraph>
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<paragraph pageId="108" pageNumber="109">
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<taxonomicName class="Insecta" family="Ephydridae" genus="Hydrochasma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrochasma ceraceps" order="Diptera" pageId="108" pageNumber="109" phylum="Arthropoda" rank="species" species="ceraceps">Hydrochasma ceraceps</taxonomicName>
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.
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<bibRefCitation author="Cresson, ET Jr" journalOrPublisher="Transactions of the American Entomological Society" pageId="111" pageNumber="112" pagination="129 - 163" title="A systematic annotated arrangement of the genera and species of the Neotropical Ephydridae (Diptera) I. The subfamily Psilopinae." volume="71" year="1946">Cresson 1946</bibRefCitation>
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: 141 [generic combination].
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<bibRefCitation author="Wirth, WW" editor="Papavero, N" journalOrPublisher="Departamento de Zoologia, Secretaria da Agricultura, Sao Paulo" pageId="112" pageNumber="113" pagination="1 - 43" title="77. Family Ephydridae." year="1968">Wirth 1968</bibRefCitation>
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: 8 [Neotropical catalog].
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<bibRefCitation author="Mathis, WN" journalOrPublisher="Memoirs on Entomology, International" pageId="112" pageNumber="113" title="A world catalog of the shore flies (Diptera: Ephydridae)." volume="4" year="1995">Mathis and Zatwarnicki 1995</bibRefCitation>
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: 182 [world catalog].
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="109" lastPageNumber="110" pageId="108" pageNumber="109" type="diagnosis">
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<paragraph pageId="108" pageNumber="109">Diagnosis.</paragraph>
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<paragraph lastPageId="109" lastPageNumber="110" pageId="108" pageNumber="109">
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This species is distinguished from congeners by the following combination of characters: Generally densely microtomentose, whitish gray to blackish gray. Moderately small shore flies, body length 2.55 mm.
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<pageBreakToken pageId="109" pageNumber="110" start="start">Head</pageBreakToken>
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: Frons mostly yellow, ocellar triangle gray; area immediately laterad of ocellar triangle brownish yellow; fronto-orbits whitish gray; pseudopostocellar setae well developed, length subequal to proclinate fronto-orbital seta. Antenna yellow; arista bearing 5-6 dorsally branching rays. Face mostly faintly yellow, becoming more whitish yellow ventrally and on dorsal portion of antennal grooves; bearing 3 larger setae in vertical row and with a small seta at ventral extent of row. Eye ratio 0.80. Gena high, mostly silvery white, gena-to-eye ratio 0.35. Thorax: Mesonotum mostly faintly grayish tan, becoming grayer laterally; pleural areas gray. Wing ratio 0.42; costal vein ratio 0.41; M vein ratio 0.54. Femora gray with extreme apex yellowish, medial surface of hindfemur shiny, reddish yellow; tibiae mostly yellowish with some sparse whitish to whitish gray microtomentum, especially hindtibia medially; tarsi yellow. Abdomen: Tergites 2-4 with wide medial stripe bronzish brown, gray laterally; tergite 5 mostly gray, truncate apically, bearing 4 larger apical setulae, length of larger setulae equal to width of tergite at apex. Male terminalia (Figs 200-203): Epandrium in posterior view (Fig. 200) more or less cordate, wide on dorsal half, tapered ventrally to a narrow, truncate ventral apex, dorsal margin broadly connected, width of dorsal connection in lateral view equal to width of a cercus, epandrium in lateral view (Fig. 201) becoming widest at midheight, thereafter tapered to point ventrally; cercus semi-hemispherical in posterior or lateral views (Fig. 200-201), height about twice width, overall height about 1/3 length of epandrium; phallapodeme and aedeagus fused, in ventral view (Fig. 202) rectangular, lateral margins parallel sided, apex truncate, base rounded, in lateral view (Fig. 203) as a fish tail apically; gonite in lateral view (Fig. 203) broadly bifurcate with dorsal and posterior prongs, both narrow, digitiform, ventral prong slightly longer and more robust, in ventral view (Fig. 202) rod-like, shallowly curved, with a midlength, short, bud-like prong.
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</paragraph>
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<caption pageId="109" pageNumber="110">
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<paragraph pageId="109" pageNumber="110">
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Figures 200-203.
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<taxonomicName class="Insecta" family="Ephydridae" genus="Discocerina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Discocerina ceraceps" order="Diptera" pageId="109" pageNumber="110" phylum="Arthropoda" rank="species" species="ceraceps">Discocerina ceraceps</taxonomicName>
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(Cresson) (Brazil, holotype) 200 outline of epandrium and cerci, posterior view 201 same, lateral view 202 internal structures of male terminalia (aedeagus [shaded], phallapodeme, gonite, hypandrium), ventral view 203 same, lateral view. Scale bar = 0.1 mm.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="109" pageNumber="110" type="type material">
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<paragraph pageId="109" pageNumber="110">Type material.</paragraph>
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<paragraph pageId="109" pageNumber="110">
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The holotype male of
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<taxonomicName class="Insecta" family="Ephydridae" genus="Hecamedoides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hecamedoides ceraceps" order="Diptera" pageId="109" pageNumber="110" phylum="Arthropoda" rank="species" species="ceraceps">Hecamedoides ceraceps</taxonomicName>
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Cresson is labeled "551/TYPE Hecamedoides CERACEPS E.T.Cresson,Jr. [red; species and generic names handwritten]." The holotype is double mounted (minuten in a rectangular block of pith), is in good condition (some vertigis near exit and entrance of minuten; some mesonotal setae broken; abdomen removed and dissected with the parts in an attached microvial of glycerin), and is deposited in the ANSP (6534).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="109" pageNumber="110" type="type locality">
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<paragraph pageId="109" pageNumber="110">Type locality.</paragraph>
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<paragraph pageId="109" pageNumber="110">
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<normalizedToken originalValue="“BRAZIL.”">"BRAZIL."</normalizedToken>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="109" pageNumber="110" type="other specimens examined">
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<paragraph pageId="109" pageNumber="110">Other specimens examined.</paragraph>
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<paragraph pageId="109" pageNumber="110">
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URUGUAY. Montevideo: Montevideo (
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<geoCoordinate direction="south" orientation="latitude" precision="925" value="-34.883335">34°53'S</geoCoordinate>
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,
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<geoCoordinate direction="west" orientation="longitude" precision="925" value="-56.183334">56°11'W</geoCoordinate>
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), 21-22 Jan 1927, F. and M. Edwards (1♀; USNM).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="109" pageNumber="110" type="distribution">
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<paragraph pageId="109" pageNumber="110">Distribution.</paragraph>
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<paragraph pageId="109" pageNumber="110">Neotropical: Brazil, Uruguay (Montevideo).</paragraph>
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</subSubSection>
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<subSubSection pageId="109" pageNumber="110" type="remarks">
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<paragraph pageId="109" pageNumber="110">Remarks.</paragraph>
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<paragraph pageId="109" pageNumber="110">
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This species and
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<taxonomicName class="Insecta" family="Ephydridae" genus="Discocerina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Discocerina buccata" order="Diptera" pageId="109" pageNumber="110" phylum="Arthropoda" rank="species" species="buccata">Discocerina buccata</taxonomicName>
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are apparently closely related, as evidenced by the high gena, which is unique within
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<taxonomicName class="Insecta" family="Ephydridae" genus="Discocerina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Discocerina" order="Diptera" pageId="109" pageNumber="110" phylum="Arthropoda" rank="genus">Discocerina</taxonomicName>
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and which was also the reason why both species had been placed in
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<taxonomicName class="Insecta" family="Ephydridae" genus="Hydrochasma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hydrochasma" order="Diptera" pageId="109" pageNumber="110" phylum="Arthropoda" rank="genus">Hydrochasma</taxonomicName>
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. Like
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<taxonomicName class="Insecta" family="Ephydridae" genus="Discocerina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Discocerina buccata" order="Diptera" pageId="109" pageNumber="110" phylum="Arthropoda" rank="species" species="buccata">Discocerina buccata</taxonomicName>
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and other congeners in
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<taxonomicName class="Insecta" family="Ephydridae" genus="Discocerina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Discocerina" order="Diptera" pageId="109" pageNumber="110" phylum="Arthropoda" rank="genus">Discocerina</taxonomicName>
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, however,
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<taxonomicName class="Insecta" family="Ephydridae" genus="Discocerina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Discocerina ceraceps" order="Diptera" pageId="109" pageNumber="110" phylum="Arthropoda" rank="species" species="ceraceps">Discocerina ceraceps</taxonomicName>
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has the phallapodeme fused with the base of the aedeagus, a synapomorphy for these species and other congeners in
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<taxonomicName class="Insecta" family="Ephydridae" genus="Discocerina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Discocerina" order="Diptera" pageId="109" pageNumber="110" phylum="Arthropoda" rank="genus">Discocerina</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |